Email security & deliverability · grade A
v=spf1 a a:mx01.rexx-systems.de ip4:193.28.100.68/32 ip4:185.215.216.0/24 include:inxserver.com ip4:185.93.143.0/26 ip4:185.215.217.0/24 ip4:195.10.208.0/26 ip6:2001:67c:2050:102:465::/80 include:spf.protection.outlook.com include:_spf.general.transactional-mail-a.com ~all